Home / 62,547.21-86,328.54-39,880.98

Finding the Fourth Proportional to 62,547.21, 86,328.54 and 39,880.98

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Solution

The fourth proportional to 62,547.21, 86,328.54 and 39,880.98 is: 55,044.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,547.21 : 86,328.54 = 39,880.98 : x
  2. Step 2: Convert to fraction form
    62,547.21/86,328.54 = 39,880.98/x
  3. Step 3: Cross multiply
    62,547.21x = 86,328.54 × 39,880.98
  4. Step 4: Simplify right side
    62,547.21x = 3,442,866,777.17
  5. Step 5: Solve for x
    x = 3,442,866,777.17/62,547.21
  6. Step 6: Final answer
    x = 55,044.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.