Home / 52,415.79-72,333.81-28,542.45

Finding the Fourth Proportional to 52,415.79, 72,333.81 and 28,542.45

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Solution

The fourth proportional to 52,415.79, 72,333.81 and 28,542.45 is: 39,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,415.79 : 72,333.81 = 28,542.45 : x
  2. Step 2: Convert to fraction form
    52,415.79/72,333.81 = 28,542.45/x
  3. Step 3: Cross multiply
    52,415.79x = 72,333.81 × 28,542.45
  4. Step 4: Simplify right side
    52,415.79x = 2,064,584,155.23
  5. Step 5: Solve for x
    x = 2,064,584,155.23/52,415.79
  6. Step 6: Final answer
    x = 39,388.59

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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.