Home / 42,263.18-63,395.49-15,980.30

Finding the Fourth Proportional to 42,263.18, 63,395.49 and 15,980.30

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Solution

The fourth proportional to 42,263.18, 63,395.49 and 15,980.30 is: 23,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,263.18 : 63,395.49 = 15,980.30 : x
  2. Step 2: Convert to fraction form
    42,263.18/63,395.49 = 15,980.30/x
  3. Step 3: Cross multiply
    42,263.18x = 63,395.49 × 15,980.30
  4. Step 4: Simplify right side
    42,263.18x = 1,013,078,948.85
  5. Step 5: Solve for x
    x = 1,013,078,948.85/42,263.18
  6. Step 6: Final answer
    x = 23,970.72

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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.