Home / 52,858.40-72,944.40-28,984.46

Finding the Fourth Proportional to 52,858.40, 72,944.40 and 28,984.46

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Solution

The fourth proportional to 52,858.40, 72,944.40 and 28,984.46 is: 39,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,858.40 : 72,944.40 = 28,984.46 : x
  2. Step 2: Convert to fraction form
    52,858.40/72,944.40 = 28,984.46/x
  3. Step 3: Cross multiply
    52,858.40x = 72,944.40 × 28,984.46
  4. Step 4: Simplify right side
    52,858.40x = 2,114,254,044.02
  5. Step 5: Solve for x
    x = 2,114,254,044.02/52,858.40
  6. Step 6: Final answer
    x = 39,998.45

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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.