Home / 42,678.40-58,895.28-23,815.12

Finding the Fourth Proportional to 42,678.40, 58,895.28 and 23,815.12

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Solution

The fourth proportional to 42,678.40, 58,895.28 and 23,815.12 is: 32,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,678.40 : 58,895.28 = 23,815.12 : x
  2. Step 2: Convert to fraction form
    42,678.40/58,895.28 = 23,815.12/x
  3. Step 3: Cross multiply
    42,678.40x = 58,895.28 × 23,815.12
  4. Step 4: Simplify right side
    42,678.40x = 1,402,598,160.63
  5. Step 5: Solve for x
    x = 1,402,598,160.63/42,678.40
  6. Step 6: Final answer
    x = 32,864.36

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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.