Home / 56,022.03-77,313.29-30,871.53

Finding the Fourth Proportional to 56,022.03, 77,313.29 and 30,871.53

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Solution

The fourth proportional to 56,022.03, 77,313.29 and 30,871.53 is: 42,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,022.03 : 77,313.29 = 30,871.53 : x
  2. Step 2: Convert to fraction form
    56,022.03/77,313.29 = 30,871.53/x
  3. Step 3: Cross multiply
    56,022.03x = 77,313.29 × 30,871.53
  4. Step 4: Simplify right side
    56,022.03x = 2,386,779,397.28
  5. Step 5: Solve for x
    x = 2,386,779,397.28/56,022.03
  6. Step 6: Final answer
    x = 42,604.30

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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.