Home / 36,988.65-51,023.12-21,070.13

Finding the Fourth Proportional to 36,988.65, 51,023.12 and 21,070.13

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Solution

The fourth proportional to 36,988.65, 51,023.12 and 21,070.13 is: 29,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,988.65 : 51,023.12 = 21,070.13 : x
  2. Step 2: Convert to fraction form
    36,988.65/51,023.12 = 21,070.13/x
  3. Step 3: Cross multiply
    36,988.65x = 51,023.12 × 21,070.13
  4. Step 4: Simplify right side
    36,988.65x = 1,075,063,410.94
  5. Step 5: Solve for x
    x = 1,075,063,410.94/36,988.65
  6. Step 6: Final answer
    x = 29,064.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.