Home / 51,948.60-71,688.90-28,075.26

Finding the Fourth Proportional to 51,948.60, 71,688.90 and 28,075.26

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Solution

The fourth proportional to 51,948.60, 71,688.90 and 28,075.26 is: 38,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948.60 : 71,688.90 = 28,075.26 : x
  2. Step 2: Convert to fraction form
    51,948.60/71,688.90 = 28,075.26/x
  3. Step 3: Cross multiply
    51,948.60x = 71,688.90 × 28,075.26
  4. Step 4: Simplify right side
    51,948.60x = 2,012,684,506.61
  5. Step 5: Solve for x
    x = 2,012,684,506.61/51,948.60
  6. Step 6: Final answer
    x = 38,743.77

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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.