Home / 42,035.10-63,071.22-22,039.81

Finding the Fourth Proportional to 42,035.10, 63,071.22 and 22,039.81

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Solution

The fourth proportional to 42,035.10, 63,071.22 and 22,039.81 is: 33,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,035.10 : 63,071.22 = 22,039.81 : x
  2. Step 2: Convert to fraction form
    42,035.10/63,071.22 = 22,039.81/x
  3. Step 3: Cross multiply
    42,035.10x = 63,071.22 × 22,039.81
  4. Step 4: Simplify right side
    42,035.10x = 1,390,077,437.39
  5. Step 5: Solve for x
    x = 1,390,077,437.39/42,035.10
  6. Step 6: Final answer
    x = 33,069.45

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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.