Home / 39,256.71-58,876.74-12,955.20

Finding the Fourth Proportional to 39,256.71, 58,876.74 and 12,955.20

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Solution

The fourth proportional to 39,256.71, 58,876.74 and 12,955.20 is: 19,430.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,256.71 : 58,876.74 = 12,955.20 : x
  2. Step 2: Convert to fraction form
    39,256.71/58,876.74 = 12,955.20/x
  3. Step 3: Cross multiply
    39,256.71x = 58,876.74 × 12,955.20
  4. Step 4: Simplify right side
    39,256.71x = 762,759,942.05
  5. Step 5: Solve for x
    x = 762,759,942.05/39,256.71
  6. Step 6: Final answer
    x = 19,430.05

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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.