Home / 40,109.98-60,164.80-10,124.28

Finding the Fourth Proportional to 40,109.98, 60,164.80 and 10,124.28

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Solution

The fourth proportional to 40,109.98, 60,164.80 and 10,124.28 is: 15,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.98 : 60,164.80 = 10,124.28 : x
  2. Step 2: Convert to fraction form
    40,109.98/60,164.80 = 10,124.28/x
  3. Step 3: Cross multiply
    40,109.98x = 60,164.80 × 10,124.28
  4. Step 4: Simplify right side
    40,109.98x = 609,125,281.34
  5. Step 5: Solve for x
    x = 609,125,281.34/40,109.98
  6. Step 6: Final answer
    x = 15,186.38

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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.