Home / 52,420.40-72,340.62-28,547.18

Finding the Fourth Proportional to 52,420.40, 72,340.62 and 28,547.18

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Solution

The fourth proportional to 52,420.40, 72,340.62 and 28,547.18 is: 39,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.40 : 72,340.62 = 28,547.18 : x
  2. Step 2: Convert to fraction form
    52,420.40/72,340.62 = 28,547.18/x
  3. Step 3: Cross multiply
    52,420.40x = 72,340.62 × 28,547.18
  4. Step 4: Simplify right side
    52,420.40x = 2,065,120,700.45
  5. Step 5: Solve for x
    x = 2,065,120,700.45/52,420.40
  6. Step 6: Final answer
    x = 39,395.36

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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.