Home / 42,017.28-57,983.49-23,154

Finding the Fourth Proportional to 42,017.28, 57,983.49 and 23,154

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Solution

The fourth proportional to 42,017.28, 57,983.49 and 23,154 is: 31,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,017.28 : 57,983.49 = 23,154 : x
  2. Step 2: Convert to fraction form
    42,017.28/57,983.49 = 23,154/x
  3. Step 3: Cross multiply
    42,017.28x = 57,983.49 × 23,154
  4. Step 4: Simplify right side
    42,017.28x = 1,342,549,727.46
  5. Step 5: Solve for x
    x = 1,342,549,727.46/42,017.28
  6. Step 6: Final answer
    x = 31,952.32

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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.