Home / 38,970.66-58,461.16-12,666.54

Finding the Fourth Proportional to 38,970.66, 58,461.16 and 12,666.54

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Solution

The fourth proportional to 38,970.66, 58,461.16 and 12,666.54 is: 19,001.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,970.66 : 58,461.16 = 12,666.54 : x
  2. Step 2: Convert to fraction form
    38,970.66/58,461.16 = 12,666.54/x
  3. Step 3: Cross multiply
    38,970.66x = 58,461.16 × 12,666.54
  4. Step 4: Simplify right side
    38,970.66x = 740,500,621.59
  5. Step 5: Solve for x
    x = 740,500,621.59/38,970.66
  6. Step 6: Final answer
    x = 19,001.49

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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.