Home / 47,547.08-71,280.47-29,978.18

Finding the Fourth Proportional to 47,547.08, 71,280.47 and 29,978.18

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Solution

The fourth proportional to 47,547.08, 71,280.47 and 29,978.18 is: 44,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,547.08 : 71,280.47 = 29,978.18 : x
  2. Step 2: Convert to fraction form
    47,547.08/71,280.47 = 29,978.18/x
  3. Step 3: Cross multiply
    47,547.08x = 71,280.47 × 29,978.18
  4. Step 4: Simplify right side
    47,547.08x = 2,136,858,478.69
  5. Step 5: Solve for x
    x = 2,136,858,478.69/47,547.08
  6. Step 6: Final answer
    x = 44,941.95

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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.