Home / 35,539.74-53,312.40-20,750.13

Finding the Fourth Proportional to 35,539.74, 53,312.40 and 20,750.13

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Solution

The fourth proportional to 35,539.74, 53,312.40 and 20,750.13 is: 31,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,539.74 : 53,312.40 = 20,750.13 : x
  2. Step 2: Convert to fraction form
    35,539.74/53,312.40 = 20,750.13/x
  3. Step 3: Cross multiply
    35,539.74x = 53,312.40 × 20,750.13
  4. Step 4: Simplify right side
    35,539.74x = 1,106,239,230.61
  5. Step 5: Solve for x
    x = 1,106,239,230.61/35,539.74
  6. Step 6: Final answer
    x = 31,126.82

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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.