Home / 52,256.40-72,114.36-28,383.12

Finding the Fourth Proportional to 52,256.40, 72,114.36 and 28,383.12

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Solution

The fourth proportional to 52,256.40, 72,114.36 and 28,383.12 is: 39,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,256.40 : 72,114.36 = 28,383.12 : x
  2. Step 2: Convert to fraction form
    52,256.40/72,114.36 = 28,383.12/x
  3. Step 3: Cross multiply
    52,256.40x = 72,114.36 × 28,383.12
  4. Step 4: Simplify right side
    52,256.40x = 2,046,830,533.60
  5. Step 5: Solve for x
    x = 2,046,830,533.60/52,256.40
  6. Step 6: Final answer
    x = 39,168.99

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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.