Home / 42,088.74-63,116.64-15,779.14

Finding the Fourth Proportional to 42,088.74, 63,116.64 and 15,779.14

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Solution

The fourth proportional to 42,088.74, 63,116.64 and 15,779.14 is: 23,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,088.74 : 63,116.64 = 15,779.14 : x
  2. Step 2: Convert to fraction form
    42,088.74/63,116.64 = 15,779.14/x
  3. Step 3: Cross multiply
    42,088.74x = 63,116.64 × 15,779.14
  4. Step 4: Simplify right side
    42,088.74x = 995,926,298.89
  5. Step 5: Solve for x
    x = 995,926,298.89/42,088.74
  6. Step 6: Final answer
    x = 23,662.54

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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.