Home / 42,306.57-58,352.02-30,382.16

Finding the Fourth Proportional to 42,306.57, 58,352.02 and 30,382.16

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Solution

The fourth proportional to 42,306.57, 58,352.02 and 30,382.16 is: 41,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,306.57 : 58,352.02 = 30,382.16 : x
  2. Step 2: Convert to fraction form
    42,306.57/58,352.02 = 30,382.16/x
  3. Step 3: Cross multiply
    42,306.57x = 58,352.02 × 30,382.16
  4. Step 4: Simplify right side
    42,306.57x = 1,772,860,040.25
  5. Step 5: Solve for x
    x = 1,772,860,040.25/42,306.57
  6. Step 6: Final answer
    x = 41,905.08

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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.