Home / 42,215.76-58,236.36-39,214.16

Finding the Fourth Proportional to 42,215.76, 58,236.36 and 39,214.16

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Solution

The fourth proportional to 42,215.76, 58,236.36 and 39,214.16 is: 54,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,215.76 : 58,236.36 = 39,214.16 : x
  2. Step 2: Convert to fraction form
    42,215.76/58,236.36 = 39,214.16/x
  3. Step 3: Cross multiply
    42,215.76x = 58,236.36 × 39,214.16
  4. Step 4: Simplify right side
    42,215.76x = 2,283,689,938.86
  5. Step 5: Solve for x
    x = 2,283,689,938.86/42,215.76
  6. Step 6: Final answer
    x = 54,095.67

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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.