Home / 58,024.20-87,125.40-31,780.20

Finding the Fourth Proportional to 58,024.20, 87,125.40 and 31,780.20

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Solution

The fourth proportional to 58,024.20, 87,125.40 and 31,780.20 is: 47,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,024.20 : 87,125.40 = 31,780.20 : x
  2. Step 2: Convert to fraction form
    58,024.20/87,125.40 = 31,780.20/x
  3. Step 3: Cross multiply
    58,024.20x = 87,125.40 × 31,780.20
  4. Step 4: Simplify right side
    58,024.20x = 2,768,862,637.08
  5. Step 5: Solve for x
    x = 2,768,862,637.08/58,024.20
  6. Step 6: Final answer
    x = 47,719.10

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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.