Home / 42,278.30-58,344.18-23,415.42

Finding the Fourth Proportional to 42,278.30, 58,344.18 and 23,415.42

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Solution

The fourth proportional to 42,278.30, 58,344.18 and 23,415.42 is: 32,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,278.30 : 58,344.18 = 23,415.42 : x
  2. Step 2: Convert to fraction form
    42,278.30/58,344.18 = 23,415.42/x
  3. Step 3: Cross multiply
    42,278.30x = 58,344.18 × 23,415.42
  4. Step 4: Simplify right side
    42,278.30x = 1,366,153,479.26
  5. Step 5: Solve for x
    x = 1,366,153,479.26/42,278.30
  6. Step 6: Final answer
    x = 32,313.35

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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.