Home / 39,045.63-58,572.05-12,750.51

Finding the Fourth Proportional to 39,045.63, 58,572.05 and 12,750.51

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Solution

The fourth proportional to 39,045.63, 58,572.05 and 12,750.51 is: 19,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.63 : 58,572.05 = 12,750.51 : x
  2. Step 2: Convert to fraction form
    39,045.63/58,572.05 = 12,750.51/x
  3. Step 3: Cross multiply
    39,045.63x = 58,572.05 × 12,750.51
  4. Step 4: Simplify right side
    39,045.63x = 746,823,445.49
  5. Step 5: Solve for x
    x = 746,823,445.49/39,045.63
  6. Step 6: Final answer
    x = 19,126.94

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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.