Home / 46,775.04-64,515.20-30,871.68

Finding the Fourth Proportional to 46,775.04, 64,515.20 and 30,871.68

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Solution

The fourth proportional to 46,775.04, 64,515.20 and 30,871.68 is: 42,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,775.04 : 64,515.20 = 30,871.68 : x
  2. Step 2: Convert to fraction form
    46,775.04/64,515.20 = 30,871.68/x
  3. Step 3: Cross multiply
    46,775.04x = 64,515.20 × 30,871.68
  4. Step 4: Simplify right side
    46,775.04x = 1,991,692,609.54
  5. Step 5: Solve for x
    x = 1,991,692,609.54/46,775.04
  6. Step 6: Final answer
    x = 42,580.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.