Home / 56,397.32-77,829.07-30,903.18

Finding the Fourth Proportional to 56,397.32, 77,829.07 and 30,903.18

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Solution

The fourth proportional to 56,397.32, 77,829.07 and 30,903.18 is: 42,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,397.32 : 77,829.07 = 30,903.18 : x
  2. Step 2: Convert to fraction form
    56,397.32/77,829.07 = 30,903.18/x
  3. Step 3: Cross multiply
    56,397.32x = 77,829.07 × 30,903.18
  4. Step 4: Simplify right side
    56,397.32x = 2,405,165,759.44
  5. Step 5: Solve for x
    x = 2,405,165,759.44/56,397.32
  6. Step 6: Final answer
    x = 42,646.81

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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.