Home / 55,555.31-83,341.63-18,106.70

Finding the Fourth Proportional to 55,555.31, 83,341.63 and 18,106.70

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Solution

The fourth proportional to 55,555.31, 83,341.63 and 18,106.70 is: 27,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.31 : 83,341.63 = 18,106.70 : x
  2. Step 2: Convert to fraction form
    55,555.31/83,341.63 = 18,106.70/x
  3. Step 3: Cross multiply
    55,555.31x = 83,341.63 × 18,106.70
  4. Step 4: Simplify right side
    55,555.31x = 1,509,041,384.68
  5. Step 5: Solve for x
    x = 1,509,041,384.68/55,555.31
  6. Step 6: Final answer
    x = 27,162.86

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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.