Home / 42,280.87-58,345.34-23,159.66

Finding the Fourth Proportional to 42,280.87, 58,345.34 and 23,159.66

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Solution

The fourth proportional to 42,280.87, 58,345.34 and 23,159.66 is: 31,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,280.87 : 58,345.34 = 23,159.66 : x
  2. Step 2: Convert to fraction form
    42,280.87/58,345.34 = 23,159.66/x
  3. Step 3: Cross multiply
    42,280.87x = 58,345.34 × 23,159.66
  4. Step 4: Simplify right side
    42,280.87x = 1,351,257,829.46
  5. Step 5: Solve for x
    x = 1,351,257,829.46/42,280.87
  6. Step 6: Final answer
    x = 31,959.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.