Home / 61,031.50-91,547.79-21,595.30

Finding the Fourth Proportional to 61,031.50, 91,547.79 and 21,595.30

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Solution

The fourth proportional to 61,031.50, 91,547.79 and 21,595.30 is: 32,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,031.50 : 91,547.79 = 21,595.30 : x
  2. Step 2: Convert to fraction form
    61,031.50/91,547.79 = 21,595.30/x
  3. Step 3: Cross multiply
    61,031.50x = 91,547.79 × 21,595.30
  4. Step 4: Simplify right side
    61,031.50x = 1,977,001,989.39
  5. Step 5: Solve for x
    x = 1,977,001,989.39/61,031.50
  6. Step 6: Final answer
    x = 32,393.14

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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.