Home / 42,613.10-63,919.65-13,030.93

Finding the Fourth Proportional to 42,613.10, 63,919.65 and 13,030.93

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Solution

The fourth proportional to 42,613.10, 63,919.65 and 13,030.93 is: 19,546.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,613.10 : 63,919.65 = 13,030.93 : x
  2. Step 2: Convert to fraction form
    42,613.10/63,919.65 = 13,030.93/x
  3. Step 3: Cross multiply
    42,613.10x = 63,919.65 × 13,030.93
  4. Step 4: Simplify right side
    42,613.10x = 832,932,484.77
  5. Step 5: Solve for x
    x = 832,932,484.77/42,613.10
  6. Step 6: Final answer
    x = 19,546.40

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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.