Home / 42,664.68-64,006.38-13,084.74

Finding the Fourth Proportional to 42,664.68, 64,006.38 and 13,084.74

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Solution

The fourth proportional to 42,664.68, 64,006.38 and 13,084.74 is: 19,629.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.68 : 64,006.38 = 13,084.74 : x
  2. Step 2: Convert to fraction form
    42,664.68/64,006.38 = 13,084.74/x
  3. Step 3: Cross multiply
    42,664.68x = 64,006.38 × 13,084.74
  4. Step 4: Simplify right side
    42,664.68x = 837,506,840.64
  5. Step 5: Solve for x
    x = 837,506,840.64/42,664.68
  6. Step 6: Final answer
    x = 19,629.98

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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.