Home / 52,740.90-72,779.63-28,862.96

Finding the Fourth Proportional to 52,740.90, 72,779.63 and 28,862.96

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Solution

The fourth proportional to 52,740.90, 72,779.63 and 28,862.96 is: 39,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.90 : 72,779.63 = 28,862.96 : x
  2. Step 2: Convert to fraction form
    52,740.90/72,779.63 = 28,862.96/x
  3. Step 3: Cross multiply
    52,740.90x = 72,779.63 × 28,862.96
  4. Step 4: Simplify right side
    52,740.90x = 2,100,635,041.29
  5. Step 5: Solve for x
    x = 2,100,635,041.29/52,740.90
  6. Step 6: Final answer
    x = 39,829.34

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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.