Home / 40,897.90-61,201.05-28,359.10

Finding the Fourth Proportional to 40,897.90, 61,201.05 and 28,359.10

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Solution

The fourth proportional to 40,897.90, 61,201.05 and 28,359.10 is: 42,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.90 : 61,201.05 = 28,359.10 : x
  2. Step 2: Convert to fraction form
    40,897.90/61,201.05 = 28,359.10/x
  3. Step 3: Cross multiply
    40,897.90x = 61,201.05 × 28,359.10
  4. Step 4: Simplify right side
    40,897.90x = 1,735,606,697.06
  5. Step 5: Solve for x
    x = 1,735,606,697.06/40,897.90
  6. Step 6: Final answer
    x = 42,437.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.