Home / 66,724.32-92,064.06-39,875.52

Finding the Fourth Proportional to 66,724.32, 92,064.06 and 39,875.52

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Solution

The fourth proportional to 66,724.32, 92,064.06 and 39,875.52 is: 55,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,724.32 : 92,064.06 = 39,875.52 : x
  2. Step 2: Convert to fraction form
    66,724.32/92,064.06 = 39,875.52/x
  3. Step 3: Cross multiply
    66,724.32x = 92,064.06 × 39,875.52
  4. Step 4: Simplify right side
    66,724.32x = 3,671,102,265.81
  5. Step 5: Solve for x
    x = 3,671,102,265.81/66,724.32
  6. Step 6: Final answer
    x = 55,018.95

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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.