Home / 52,637.42-72,640.59-28,765.10

Finding the Fourth Proportional to 52,637.42, 72,640.59 and 28,765.10

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Solution

The fourth proportional to 52,637.42, 72,640.59 and 28,765.10 is: 39,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.42 : 72,640.59 = 28,765.10 : x
  2. Step 2: Convert to fraction form
    52,637.42/72,640.59 = 28,765.10/x
  3. Step 3: Cross multiply
    52,637.42x = 72,640.59 × 28,765.10
  4. Step 4: Simplify right side
    52,637.42x = 2,089,513,835.41
  5. Step 5: Solve for x
    x = 2,089,513,835.41/52,637.42
  6. Step 6: Final answer
    x = 39,696.36

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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.