Home / 42,212.16-63,031.68-37,779.84

Finding the Fourth Proportional to 42,212.16, 63,031.68 and 37,779.84

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Solution

The fourth proportional to 42,212.16, 63,031.68 and 37,779.84 is: 56,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.16 : 63,031.68 = 37,779.84 : x
  2. Step 2: Convert to fraction form
    42,212.16/63,031.68 = 37,779.84/x
  3. Step 3: Cross multiply
    42,212.16x = 63,031.68 × 37,779.84
  4. Step 4: Simplify right side
    42,212.16x = 2,381,326,785.33
  5. Step 5: Solve for x
    x = 2,381,326,785.33/42,212.16
  6. Step 6: Final answer
    x = 56,413.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.