Home / 55,031.25-82,547.01-19,970.94

Finding the Fourth Proportional to 55,031.25, 82,547.01 and 19,970.94

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Solution

The fourth proportional to 55,031.25, 82,547.01 and 19,970.94 is: 29,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.25 : 82,547.01 = 19,970.94 : x
  2. Step 2: Convert to fraction form
    55,031.25/82,547.01 = 19,970.94/x
  3. Step 3: Cross multiply
    55,031.25x = 82,547.01 × 19,970.94
  4. Step 4: Simplify right side
    55,031.25x = 1,648,541,383.89
  5. Step 5: Solve for x
    x = 1,648,541,383.89/55,031.25
  6. Step 6: Final answer
    x = 29,956.46

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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.