Home / 47,980.02-71,603.57-42,731.22

Finding the Fourth Proportional to 47,980.02, 71,603.57 and 42,731.22

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Solution

The fourth proportional to 47,980.02, 71,603.57 and 42,731.22 is: 63,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,980.02 : 71,603.57 = 42,731.22 : x
  2. Step 2: Convert to fraction form
    47,980.02/71,603.57 = 42,731.22/x
  3. Step 3: Cross multiply
    47,980.02x = 71,603.57 × 42,731.22
  4. Step 4: Simplify right side
    47,980.02x = 3,059,707,688.80
  5. Step 5: Solve for x
    x = 3,059,707,688.80/47,980.02
  6. Step 6: Final answer
    x = 63,770.45

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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.