Home / 42,999.80-64,480.26-15,298.52

Finding the Fourth Proportional to 42,999.80, 64,480.26 and 15,298.52

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Solution

The fourth proportional to 42,999.80, 64,480.26 and 15,298.52 is: 22,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,999.80 : 64,480.26 = 15,298.52 : x
  2. Step 2: Convert to fraction form
    42,999.80/64,480.26 = 15,298.52/x
  3. Step 3: Cross multiply
    42,999.80x = 64,480.26 × 15,298.52
  4. Step 4: Simplify right side
    42,999.80x = 986,452,547.22
  5. Step 5: Solve for x
    x = 986,452,547.22/42,999.80
  6. Step 6: Final answer
    x = 22,940.86

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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.