Home / 42,064.98-63,080.19-15,756.18

Finding the Fourth Proportional to 42,064.98, 63,080.19 and 15,756.18

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Solution

The fourth proportional to 42,064.98, 63,080.19 and 15,756.18 is: 23,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,064.98 : 63,080.19 = 15,756.18 : x
  2. Step 2: Convert to fraction form
    42,064.98/63,080.19 = 15,756.18/x
  3. Step 3: Cross multiply
    42,064.98x = 63,080.19 × 15,756.18
  4. Step 4: Simplify right side
    42,064.98x = 993,902,828.07
  5. Step 5: Solve for x
    x = 993,902,828.07/42,064.98
  6. Step 6: Final answer
    x = 23,627.80

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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.