Home / 40,030.96-60,021.48-15,070

Finding the Fourth Proportional to 40,030.96, 60,021.48 and 15,070

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Solution

The fourth proportional to 40,030.96, 60,021.48 and 15,070 is: 22,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,030.96 : 60,021.48 = 15,070 : x
  2. Step 2: Convert to fraction form
    40,030.96/60,021.48 = 15,070/x
  3. Step 3: Cross multiply
    40,030.96x = 60,021.48 × 15,070
  4. Step 4: Simplify right side
    40,030.96x = 904,523,703.60
  5. Step 5: Solve for x
    x = 904,523,703.60/40,030.96
  6. Step 6: Final answer
    x = 22,595.60

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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.