Home / 42,739.20-58,972.80-23,875.20

Finding the Fourth Proportional to 42,739.20, 58,972.80 and 23,875.20

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Solution

The fourth proportional to 42,739.20, 58,972.80 and 23,875.20 is: 32,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,739.20 : 58,972.80 = 23,875.20 : x
  2. Step 2: Convert to fraction form
    42,739.20/58,972.80 = 23,875.20/x
  3. Step 3: Cross multiply
    42,739.20x = 58,972.80 × 23,875.20
  4. Step 4: Simplify right side
    42,739.20x = 1,407,987,394.56
  5. Step 5: Solve for x
    x = 1,407,987,394.56/42,739.20
  6. Step 6: Final answer
    x = 32,943.70

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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.