Home / 42,485.72-63,657.66-29,985.08

Finding the Fourth Proportional to 42,485.72, 63,657.66 and 29,985.08

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Solution

The fourth proportional to 42,485.72, 63,657.66 and 29,985.08 is: 44,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,485.72 : 63,657.66 = 29,985.08 : x
  2. Step 2: Convert to fraction form
    42,485.72/63,657.66 = 29,985.08/x
  3. Step 3: Cross multiply
    42,485.72x = 63,657.66 × 29,985.08
  4. Step 4: Simplify right side
    42,485.72x = 1,908,780,027.71
  5. Step 5: Solve for x
    x = 1,908,780,027.71/42,485.72
  6. Step 6: Final answer
    x = 44,927.57

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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.