Home / 42,929.04-64,402.68-13,346.16

Finding the Fourth Proportional to 42,929.04, 64,402.68 and 13,346.16

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Solution

The fourth proportional to 42,929.04, 64,402.68 and 13,346.16 is: 20,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,929.04 : 64,402.68 = 13,346.16 : x
  2. Step 2: Convert to fraction form
    42,929.04/64,402.68 = 13,346.16/x
  3. Step 3: Cross multiply
    42,929.04x = 64,402.68 × 13,346.16
  4. Step 4: Simplify right side
    42,929.04x = 859,528,471.71
  5. Step 5: Solve for x
    x = 859,528,471.71/42,929.04
  6. Step 6: Final answer
    x = 20,022.08

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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.