Home / 42,934.16-64,419.60-22,172.24

Finding the Fourth Proportional to 42,934.16, 64,419.60 and 22,172.24

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Solution

The fourth proportional to 42,934.16, 64,419.60 and 22,172.24 is: 33,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,934.16 : 64,419.60 = 22,172.24 : x
  2. Step 2: Convert to fraction form
    42,934.16/64,419.60 = 22,172.24/x
  3. Step 3: Cross multiply
    42,934.16x = 64,419.60 × 22,172.24
  4. Step 4: Simplify right side
    42,934.16x = 1,428,326,831.90
  5. Step 5: Solve for x
    x = 1,428,326,831.90/42,934.16
  6. Step 6: Final answer
    x = 33,267.84

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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.