Home / 42,345.95-63,522.59-11,181.20

Finding the Fourth Proportional to 42,345.95, 63,522.59 and 11,181.20

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Solution

The fourth proportional to 42,345.95, 63,522.59 and 11,181.20 is: 16,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,345.95 : 63,522.59 = 11,181.20 : x
  2. Step 2: Convert to fraction form
    42,345.95/63,522.59 = 11,181.20/x
  3. Step 3: Cross multiply
    42,345.95x = 63,522.59 × 11,181.20
  4. Step 4: Simplify right side
    42,345.95x = 710,258,409.79
  5. Step 5: Solve for x
    x = 710,258,409.79/42,345.95
  6. Step 6: Final answer
    x = 16,772.76

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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.