Home / 39,125.04-53,979.12-22,127.28

Finding the Fourth Proportional to 39,125.04, 53,979.12 and 22,127.28

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Solution

The fourth proportional to 39,125.04, 53,979.12 and 22,127.28 is: 30,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.04 : 53,979.12 = 22,127.28 : x
  2. Step 2: Convert to fraction form
    39,125.04/53,979.12 = 22,127.28/x
  3. Step 3: Cross multiply
    39,125.04x = 53,979.12 × 22,127.28
  4. Step 4: Simplify right side
    39,125.04x = 1,194,411,102.39
  5. Step 5: Solve for x
    x = 1,194,411,102.39/39,125.04
  6. Step 6: Final answer
    x = 30,528.05

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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.