Home / 55,547.12-83,328.60-20,484.06

Finding the Fourth Proportional to 55,547.12, 83,328.60 and 20,484.06

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Solution

The fourth proportional to 55,547.12, 83,328.60 and 20,484.06 is: 30,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,547.12 : 83,328.60 = 20,484.06 : x
  2. Step 2: Convert to fraction form
    55,547.12/83,328.60 = 20,484.06/x
  3. Step 3: Cross multiply
    55,547.12x = 83,328.60 × 20,484.06
  4. Step 4: Simplify right side
    55,547.12x = 1,706,908,042.12
  5. Step 5: Solve for x
    x = 1,706,908,042.12/55,547.12
  6. Step 6: Final answer
    x = 30,729.01

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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.