Home / 42,376.46-58,490.26-28,953.14

Finding the Fourth Proportional to 42,376.46, 58,490.26 and 28,953.14

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Solution

The fourth proportional to 42,376.46, 58,490.26 and 28,953.14 is: 39,962.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.46 : 58,490.26 = 28,953.14 : x
  2. Step 2: Convert to fraction form
    42,376.46/58,490.26 = 28,953.14/x
  3. Step 3: Cross multiply
    42,376.46x = 58,490.26 × 28,953.14
  4. Step 4: Simplify right side
    42,376.46x = 1,693,476,321.58
  5. Step 5: Solve for x
    x = 1,693,476,321.58/42,376.46
  6. Step 6: Final answer
    x = 39,962.67

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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.