Home / 42,278.18-58,343.76-23,415.30

Finding the Fourth Proportional to 42,278.18, 58,343.76 and 23,415.30

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Solution

The fourth proportional to 42,278.18, 58,343.76 and 23,415.30 is: 32,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,278.18 : 58,343.76 = 23,415.30 : x
  2. Step 2: Convert to fraction form
    42,278.18/58,343.76 = 23,415.30/x
  3. Step 3: Cross multiply
    42,278.18x = 58,343.76 × 23,415.30
  4. Step 4: Simplify right side
    42,278.18x = 1,366,136,643.53
  5. Step 5: Solve for x
    x = 1,366,136,643.53/42,278.18
  6. Step 6: Final answer
    x = 32,313.05

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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.