Home / 52,259.91-72,117.48-28,386.08

Finding the Fourth Proportional to 52,259.91, 72,117.48 and 28,386.08

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Solution

The fourth proportional to 52,259.91, 72,117.48 and 28,386.08 is: 39,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,259.91 : 72,117.48 = 28,386.08 : x
  2. Step 2: Convert to fraction form
    52,259.91/72,117.48 = 28,386.08/x
  3. Step 3: Cross multiply
    52,259.91x = 72,117.48 × 28,386.08
  4. Step 4: Simplify right side
    52,259.91x = 2,047,132,556.68
  5. Step 5: Solve for x
    x = 2,047,132,556.68/52,259.91
  6. Step 6: Final answer
    x = 39,172.14

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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.