Home / 55,865.69-77,094.74-30,715.19

Finding the Fourth Proportional to 55,865.69, 77,094.74 and 30,715.19

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Solution

The fourth proportional to 55,865.69, 77,094.74 and 30,715.19 is: 42,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,865.69 : 77,094.74 = 30,715.19 : x
  2. Step 2: Convert to fraction form
    55,865.69/77,094.74 = 30,715.19/x
  3. Step 3: Cross multiply
    55,865.69x = 77,094.74 × 30,715.19
  4. Step 4: Simplify right side
    55,865.69x = 2,367,979,278.41
  5. Step 5: Solve for x
    x = 2,367,979,278.41/55,865.69
  6. Step 6: Final answer
    x = 42,387.01

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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.