Home / 61,405.12-84,746.60-34,548.80

Finding the Fourth Proportional to 61,405.12, 84,746.60 and 34,548.80

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Solution

The fourth proportional to 61,405.12, 84,746.60 and 34,548.80 is: 47,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,405.12 : 84,746.60 = 34,548.80 : x
  2. Step 2: Convert to fraction form
    61,405.12/84,746.60 = 34,548.80/x
  3. Step 3: Cross multiply
    61,405.12x = 84,746.60 × 34,548.80
  4. Step 4: Simplify right side
    61,405.12x = 2,927,893,334.08
  5. Step 5: Solve for x
    x = 2,927,893,334.08/61,405.12
  6. Step 6: Final answer
    x = 47,681.58

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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.