Home / 58,345.10-87,517.65-21,404.30

Finding the Fourth Proportional to 58,345.10, 87,517.65 and 21,404.30

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Solution

The fourth proportional to 58,345.10, 87,517.65 and 21,404.30 is: 32,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,345.10 : 87,517.65 = 21,404.30 : x
  2. Step 2: Convert to fraction form
    58,345.10/87,517.65 = 21,404.30/x
  3. Step 3: Cross multiply
    58,345.10x = 87,517.65 × 21,404.30
  4. Step 4: Simplify right side
    58,345.10x = 1,873,254,035.90
  5. Step 5: Solve for x
    x = 1,873,254,035.90/58,345.10
  6. Step 6: Final answer
    x = 32,106.45

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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.