Home / 55,827.76-77,042.28-30,677.24

Finding the Fourth Proportional to 55,827.76, 77,042.28 and 30,677.24

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Solution

The fourth proportional to 55,827.76, 77,042.28 and 30,677.24 is: 42,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,827.76 : 77,042.28 = 30,677.24 : x
  2. Step 2: Convert to fraction form
    55,827.76/77,042.28 = 30,677.24/x
  3. Step 3: Cross multiply
    55,827.76x = 77,042.28 × 30,677.24
  4. Step 4: Simplify right side
    55,827.76x = 2,363,444,513.71
  5. Step 5: Solve for x
    x = 2,363,444,513.71/55,827.76
  6. Step 6: Final answer
    x = 42,334.58

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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.