Home / 49,110.04-67,779.58-28,969.18

Finding the Fourth Proportional to 49,110.04, 67,779.58 and 28,969.18

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Solution

The fourth proportional to 49,110.04, 67,779.58 and 28,969.18 is: 39,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,110.04 : 67,779.58 = 28,969.18 : x
  2. Step 2: Convert to fraction form
    49,110.04/67,779.58 = 28,969.18/x
  3. Step 3: Cross multiply
    49,110.04x = 67,779.58 × 28,969.18
  4. Step 4: Simplify right side
    49,110.04x = 1,963,518,853.34
  5. Step 5: Solve for x
    x = 1,963,518,853.34/49,110.04
  6. Step 6: Final answer
    x = 39,982.03

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1.5x scale

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.