Home / 55,289.54-82,885.18-21,547.74

Finding the Fourth Proportional to 55,289.54, 82,885.18 and 21,547.74

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Solution

The fourth proportional to 55,289.54, 82,885.18 and 21,547.74 is: 32,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,289.54 : 82,885.18 = 21,547.74 : x
  2. Step 2: Convert to fraction form
    55,289.54/82,885.18 = 21,547.74/x
  3. Step 3: Cross multiply
    55,289.54x = 82,885.18 × 21,547.74
  4. Step 4: Simplify right side
    55,289.54x = 1,785,988,308.49
  5. Step 5: Solve for x
    x = 1,785,988,308.49/55,289.54
  6. Step 6: Final answer
    x = 32,302.46

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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.