Home / 62,985.31-94,482.95-20,863.69

Finding the Fourth Proportional to 62,985.31, 94,482.95 and 20,863.69

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Solution

The fourth proportional to 62,985.31, 94,482.95 and 20,863.69 is: 31,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,985.31 : 94,482.95 = 20,863.69 : x
  2. Step 2: Convert to fraction form
    62,985.31/94,482.95 = 20,863.69/x
  3. Step 3: Cross multiply
    62,985.31x = 94,482.95 × 20,863.69
  4. Step 4: Simplify right side
    62,985.31x = 1,971,262,979.09
  5. Step 5: Solve for x
    x = 1,971,262,979.09/62,985.31
  6. Step 6: Final answer
    x = 31,297.19

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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.