Home / 39,031.80-58,557.08-12,736.63

Finding the Fourth Proportional to 39,031.80, 58,557.08 and 12,736.63

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Solution

The fourth proportional to 39,031.80, 58,557.08 and 12,736.63 is: 19,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.80 : 58,557.08 = 12,736.63 : x
  2. Step 2: Convert to fraction form
    39,031.80/58,557.08 = 12,736.63/x
  3. Step 3: Cross multiply
    39,031.80x = 58,557.08 × 12,736.63
  4. Step 4: Simplify right side
    39,031.80x = 745,819,861.84
  5. Step 5: Solve for x
    x = 745,819,861.84/39,031.80
  6. Step 6: Final answer
    x = 19,108.01

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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.