Home / 42,684.36-63,718.47-40,767.24

Finding the Fourth Proportional to 42,684.36, 63,718.47 and 40,767.24

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Solution

The fourth proportional to 42,684.36, 63,718.47 and 40,767.24 is: 60,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,684.36 : 63,718.47 = 40,767.24 : x
  2. Step 2: Convert to fraction form
    42,684.36/63,718.47 = 40,767.24/x
  3. Step 3: Cross multiply
    42,684.36x = 63,718.47 × 40,767.24
  4. Step 4: Simplify right side
    42,684.36x = 2,597,626,158.92
  5. Step 5: Solve for x
    x = 2,597,626,158.92/42,684.36
  6. Step 6: Final answer
    x = 60,856.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.