Home / 52,645.77-72,651.30-28,772.40

Finding the Fourth Proportional to 52,645.77, 72,651.30 and 28,772.40

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Solution

The fourth proportional to 52,645.77, 72,651.30 and 28,772.40 is: 39,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,645.77 : 72,651.30 = 28,772.40 : x
  2. Step 2: Convert to fraction form
    52,645.77/72,651.30 = 28,772.40/x
  3. Step 3: Cross multiply
    52,645.77x = 72,651.30 × 28,772.40
  4. Step 4: Simplify right side
    52,645.77x = 2,090,352,264.12
  5. Step 5: Solve for x
    x = 2,090,352,264.12/52,645.77
  6. Step 6: Final answer
    x = 39,705.99

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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.