Home / 42,315.90-58,407.12-26,391.03

Finding the Fourth Proportional to 42,315.90, 58,407.12 and 26,391.03

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Solution

The fourth proportional to 42,315.90, 58,407.12 and 26,391.03 is: 36,426.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315.90 : 58,407.12 = 26,391.03 : x
  2. Step 2: Convert to fraction form
    42,315.90/58,407.12 = 26,391.03/x
  3. Step 3: Cross multiply
    42,315.90x = 58,407.12 × 26,391.03
  4. Step 4: Simplify right side
    42,315.90x = 1,541,424,056.13
  5. Step 5: Solve for x
    x = 1,541,424,056.13/42,315.90
  6. Step 6: Final answer
    x = 36,426.59

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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.