Home / 55,686.75-83,528.51-20,625.63

Finding the Fourth Proportional to 55,686.75, 83,528.51 and 20,625.63

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Solution

The fourth proportional to 55,686.75, 83,528.51 and 20,625.63 is: 30,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.75 : 83,528.51 = 20,625.63 : x
  2. Step 2: Convert to fraction form
    55,686.75/83,528.51 = 20,625.63/x
  3. Step 3: Cross multiply
    55,686.75x = 83,528.51 × 20,625.63
  4. Step 4: Simplify right side
    55,686.75x = 1,722,828,038.58
  5. Step 5: Solve for x
    x = 1,722,828,038.58/55,686.75
  6. Step 6: Final answer
    x = 30,937.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.