Home / 42,414.40-58,521.36-25,421.36

Finding the Fourth Proportional to 42,414.40, 58,521.36 and 25,421.36

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Solution

The fourth proportional to 42,414.40, 58,521.36 and 25,421.36 is: 35,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,414.40 : 58,521.36 = 25,421.36 : x
  2. Step 2: Convert to fraction form
    42,414.40/58,521.36 = 25,421.36/x
  3. Step 3: Cross multiply
    42,414.40x = 58,521.36 × 25,421.36
  4. Step 4: Simplify right side
    42,414.40x = 1,487,692,560.25
  5. Step 5: Solve for x
    x = 1,487,692,560.25/42,414.40
  6. Step 6: Final answer
    x = 35,075.18

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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.