Home / 31,011,041.60-46,516,562.40-20,169,645.20

Finding the Fourth Proportional to 31,011,041.60, 46,516,562.40 and 20,169,645.20

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Solution

The fourth proportional to 31,011,041.60, 46,516,562.40 and 20,169,645.20 is: 30,254,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011,041.60 : 46,516,562.40 = 20,169,645.20 : x
  2. Step 2: Convert to fraction form
    31,011,041.60/46,516,562.40 = 20,169,645.20/x
  3. Step 3: Cross multiply
    31,011,041.60x = 46,516,562.40 × 20,169,645.20
  4. Step 4: Simplify right side
    31,011,041.60x = 938,222,559,531,660.38
  5. Step 5: Solve for x
    x = 938,222,559,531,660.38/31,011,041.60
  6. Step 6: Final answer
    x = 30,254,467.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.