Home / 40,897.70-61,346.55-21,182.30

Finding the Fourth Proportional to 40,897.70, 61,346.55 and 21,182.30

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Solution

The fourth proportional to 40,897.70, 61,346.55 and 21,182.30 is: 31,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.70 : 61,346.55 = 21,182.30 : x
  2. Step 2: Convert to fraction form
    40,897.70/61,346.55 = 21,182.30/x
  3. Step 3: Cross multiply
    40,897.70x = 61,346.55 × 21,182.30
  4. Step 4: Simplify right side
    40,897.70x = 1,299,461,026.07
  5. Step 5: Solve for x
    x = 1,299,461,026.07/40,897.70
  6. Step 6: Final answer
    x = 31,773.45

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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.