Home / 50,809.48-70,108.02-28,449.16

Finding the Fourth Proportional to 50,809.48, 70,108.02 and 28,449.16

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Solution

The fourth proportional to 50,809.48, 70,108.02 and 28,449.16 is: 39,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.48 : 70,108.02 = 28,449.16 : x
  2. Step 2: Convert to fraction form
    50,809.48/70,108.02 = 28,449.16/x
  3. Step 3: Cross multiply
    50,809.48x = 70,108.02 × 28,449.16
  4. Step 4: Simplify right side
    50,809.48x = 1,994,514,278.26
  5. Step 5: Solve for x
    x = 1,994,514,278.26/50,809.48
  6. Step 6: Final answer
    x = 39,254.77

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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.