Home / 42,143.43-58,157.75-23,280.56

Finding the Fourth Proportional to 42,143.43, 58,157.75 and 23,280.56

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Solution

The fourth proportional to 42,143.43, 58,157.75 and 23,280.56 is: 32,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.43 : 58,157.75 = 23,280.56 : x
  2. Step 2: Convert to fraction form
    42,143.43/58,157.75 = 23,280.56/x
  3. Step 3: Cross multiply
    42,143.43x = 58,157.75 × 23,280.56
  4. Step 4: Simplify right side
    42,143.43x = 1,353,944,988.34
  5. Step 5: Solve for x
    x = 1,353,944,988.34/42,143.43
  6. Step 6: Final answer
    x = 32,127.07

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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.