Home / 56,315.47-77,715.56-30,474.02

Finding the Fourth Proportional to 56,315.47, 77,715.56 and 30,474.02

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Solution

The fourth proportional to 56,315.47, 77,715.56 and 30,474.02 is: 42,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,315.47 : 77,715.56 = 30,474.02 : x
  2. Step 2: Convert to fraction form
    56,315.47/77,715.56 = 30,474.02/x
  3. Step 3: Cross multiply
    56,315.47x = 77,715.56 × 30,474.02
  4. Step 4: Simplify right side
    56,315.47x = 2,368,305,377.38
  5. Step 5: Solve for x
    x = 2,368,305,377.38/56,315.47
  6. Step 6: Final answer
    x = 42,054.26

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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.