Home / 41,038.30-61,557.48-12,978.06

Finding the Fourth Proportional to 41,038.30, 61,557.48 and 12,978.06

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Solution

The fourth proportional to 41,038.30, 61,557.48 and 12,978.06 is: 19,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,038.30 : 61,557.48 = 12,978.06 : x
  2. Step 2: Convert to fraction form
    41,038.30/61,557.48 = 12,978.06/x
  3. Step 3: Cross multiply
    41,038.30x = 61,557.48 × 12,978.06
  4. Step 4: Simplify right side
    41,038.30x = 798,896,668.89
  5. Step 5: Solve for x
    x = 798,896,668.89/41,038.30
  6. Step 6: Final answer
    x = 19,467.10

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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.