Home / 52,215.13-72,054.95-28,341.30

Finding the Fourth Proportional to 52,215.13, 72,054.95 and 28,341.30

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Solution

The fourth proportional to 52,215.13, 72,054.95 and 28,341.30 is: 39,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.13 : 72,054.95 = 28,341.30 : x
  2. Step 2: Convert to fraction form
    52,215.13/72,054.95 = 28,341.30/x
  3. Step 3: Cross multiply
    52,215.13x = 72,054.95 × 28,341.30
  4. Step 4: Simplify right side
    52,215.13x = 2,042,130,954.44
  5. Step 5: Solve for x
    x = 2,042,130,954.44/52,215.13
  6. Step 6: Final answer
    x = 39,109.95

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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.