Home / 55,555.20-76,587.12-34,322.40

Finding the Fourth Proportional to 55,555.20, 76,587.12 and 34,322.40

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Solution

The fourth proportional to 55,555.20, 76,587.12 and 34,322.40 is: 47,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.20 : 76,587.12 = 34,322.40 : x
  2. Step 2: Convert to fraction form
    55,555.20/76,587.12 = 34,322.40/x
  3. Step 3: Cross multiply
    55,555.20x = 76,587.12 × 34,322.40
  4. Step 4: Simplify right side
    55,555.20x = 2,628,653,767.49
  5. Step 5: Solve for x
    x = 2,628,653,767.49/55,555.20
  6. Step 6: Final answer
    x = 47,316.07

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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.