Home / 51,531.08-71,114.93-28,870.26

Finding the Fourth Proportional to 51,531.08, 71,114.93 and 28,870.26

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Solution

The fourth proportional to 51,531.08, 71,114.93 and 28,870.26 is: 39,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531.08 : 71,114.93 = 28,870.26 : x
  2. Step 2: Convert to fraction form
    51,531.08/71,114.93 = 28,870.26/x
  3. Step 3: Cross multiply
    51,531.08x = 71,114.93 × 28,870.26
  4. Step 4: Simplify right side
    51,531.08x = 2,053,106,216.21
  5. Step 5: Solve for x
    x = 2,053,106,216.21/51,531.08
  6. Step 6: Final answer
    x = 39,842.10

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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.