Home / 48,459.15-66,863.82-28,312.13

Finding the Fourth Proportional to 48,459.15, 66,863.82 and 28,312.13

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Solution

The fourth proportional to 48,459.15, 66,863.82 and 28,312.13 is: 39,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.15 : 66,863.82 = 28,312.13 : x
  2. Step 2: Convert to fraction form
    48,459.15/66,863.82 = 28,312.13/x
  3. Step 3: Cross multiply
    48,459.15x = 66,863.82 × 28,312.13
  4. Step 4: Simplify right side
    48,459.15x = 1,893,056,829.82
  5. Step 5: Solve for x
    x = 1,893,056,829.82/48,459.15
  6. Step 6: Final answer
    x = 39,065.00

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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.