Home / 52,293.06-72,165.06-28,420.08

Finding the Fourth Proportional to 52,293.06, 72,165.06 and 28,420.08

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Solution

The fourth proportional to 52,293.06, 72,165.06 and 28,420.08 is: 39,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.06 : 72,165.06 = 28,420.08 : x
  2. Step 2: Convert to fraction form
    52,293.06/72,165.06 = 28,420.08/x
  3. Step 3: Cross multiply
    52,293.06x = 72,165.06 × 28,420.08
  4. Step 4: Simplify right side
    52,293.06x = 2,050,936,778.40
  5. Step 5: Solve for x
    x = 2,050,936,778.40/52,293.06
  6. Step 6: Final answer
    x = 39,220.06

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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.