Home / 55,298.40-76,280.98-38,312.59

Finding the Fourth Proportional to 55,298.40, 76,280.98 and 38,312.59

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Solution

The fourth proportional to 55,298.40, 76,280.98 and 38,312.59 is: 52,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,298.40 : 76,280.98 = 38,312.59 : x
  2. Step 2: Convert to fraction form
    55,298.40/76,280.98 = 38,312.59/x
  3. Step 3: Cross multiply
    55,298.40x = 76,280.98 × 38,312.59
  4. Step 4: Simplify right side
    55,298.40x = 2,922,521,625.05
  5. Step 5: Solve for x
    x = 2,922,521,625.05/55,298.40
  6. Step 6: Final answer
    x = 52,850.02

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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.