Home / 34,779.13-52,155.60-12,587.02

Finding the Fourth Proportional to 34,779.13, 52,155.60 and 12,587.02

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Solution

The fourth proportional to 34,779.13, 52,155.60 and 12,587.02 is: 18,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.13 : 52,155.60 = 12,587.02 : x
  2. Step 2: Convert to fraction form
    34,779.13/52,155.60 = 12,587.02/x
  3. Step 3: Cross multiply
    34,779.13x = 52,155.60 × 12,587.02
  4. Step 4: Simplify right side
    34,779.13x = 656,483,580.31
  5. Step 5: Solve for x
    x = 656,483,580.31/34,779.13
  6. Step 6: Final answer
    x = 18,875.79

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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.