Home / 55,866.48-77,099.52-30,715.92

Finding the Fourth Proportional to 55,866.48, 77,099.52 and 30,715.92

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Solution

The fourth proportional to 55,866.48, 77,099.52 and 30,715.92 is: 42,390.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,866.48 : 77,099.52 = 30,715.92 : x
  2. Step 2: Convert to fraction form
    55,866.48/77,099.52 = 30,715.92/x
  3. Step 3: Cross multiply
    55,866.48x = 77,099.52 × 30,715.92
  4. Step 4: Simplify right side
    55,866.48x = 2,368,182,688.36
  5. Step 5: Solve for x
    x = 2,368,182,688.36/55,866.48
  6. Step 6: Final answer
    x = 42,390.05

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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.