Home / 55,567.81-83,356.71-18,118.18

Finding the Fourth Proportional to 55,567.81, 83,356.71 and 18,118.18

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Solution

The fourth proportional to 55,567.81, 83,356.71 and 18,118.18 is: 27,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,567.81 : 83,356.71 = 18,118.18 : x
  2. Step 2: Convert to fraction form
    55,567.81/83,356.71 = 18,118.18/x
  3. Step 3: Cross multiply
    55,567.81x = 83,356.71 × 18,118.18
  4. Step 4: Simplify right side
    55,567.81x = 1,510,271,875.99
  5. Step 5: Solve for x
    x = 1,510,271,875.99/55,567.81
  6. Step 6: Final answer
    x = 27,178.90

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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.