Home / 30,365.28-45,779.15-28,224.76

Finding the Fourth Proportional to 30,365.28, 45,779.15 and 28,224.76

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Solution

The fourth proportional to 30,365.28, 45,779.15 and 28,224.76 is: 42,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.28 : 45,779.15 = 28,224.76 : x
  2. Step 2: Convert to fraction form
    30,365.28/45,779.15 = 28,224.76/x
  3. Step 3: Cross multiply
    30,365.28x = 45,779.15 × 28,224.76
  4. Step 4: Simplify right side
    30,365.28x = 1,292,105,266.18
  5. Step 5: Solve for x
    x = 1,292,105,266.18/30,365.28
  6. Step 6: Final answer
    x = 42,552.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.