Home / 48,779.40-67,312.08-28,637.10

Finding the Fourth Proportional to 48,779.40, 67,312.08 and 28,637.10

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Solution

The fourth proportional to 48,779.40, 67,312.08 and 28,637.10 is: 39,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,779.40 : 67,312.08 = 28,637.10 : x
  2. Step 2: Convert to fraction form
    48,779.40/67,312.08 = 28,637.10/x
  3. Step 3: Cross multiply
    48,779.40x = 67,312.08 × 28,637.10
  4. Step 4: Simplify right side
    48,779.40x = 1,927,622,766.17
  5. Step 5: Solve for x
    x = 1,927,622,766.17/48,779.40
  6. Step 6: Final answer
    x = 39,517.15

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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.