Home / 60,485.28-90,699.30-21,037.47

Finding the Fourth Proportional to 60,485.28, 90,699.30 and 21,037.47

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Solution

The fourth proportional to 60,485.28, 90,699.30 and 21,037.47 is: 31,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,485.28 : 90,699.30 = 21,037.47 : x
  2. Step 2: Convert to fraction form
    60,485.28/90,699.30 = 21,037.47/x
  3. Step 3: Cross multiply
    60,485.28x = 90,699.30 × 21,037.47
  4. Step 4: Simplify right side
    60,485.28x = 1,908,083,802.77
  5. Step 5: Solve for x
    x = 1,908,083,802.77/60,485.28
  6. Step 6: Final answer
    x = 31,546.25

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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.