Home / 42,643.40-58,862.58-25,657.16

Finding the Fourth Proportional to 42,643.40, 58,862.58 and 25,657.16

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Solution

The fourth proportional to 42,643.40, 58,862.58 and 25,657.16 is: 35,415.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.40 : 58,862.58 = 25,657.16 : x
  2. Step 2: Convert to fraction form
    42,643.40/58,862.58 = 25,657.16/x
  3. Step 3: Cross multiply
    42,643.40x = 58,862.58 × 25,657.16
  4. Step 4: Simplify right side
    42,643.40x = 1,510,246,633.07
  5. Step 5: Solve for x
    x = 1,510,246,633.07/42,643.40
  6. Step 6: Final answer
    x = 35,415.72

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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.