Home / 39,125.60-58,726.80-19,426.40

Finding the Fourth Proportional to 39,125.60, 58,726.80 and 19,426.40

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Solution

The fourth proportional to 39,125.60, 58,726.80 and 19,426.40 is: 29,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,125.60 : 58,726.80 = 19,426.40 : x
  2. Step 2: Convert to fraction form
    39,125.60/58,726.80 = 19,426.40/x
  3. Step 3: Cross multiply
    39,125.60x = 58,726.80 × 19,426.40
  4. Step 4: Simplify right side
    39,125.60x = 1,140,850,307.52
  5. Step 5: Solve for x
    x = 1,140,850,307.52/39,125.60
  6. Step 6: Final answer
    x = 29,158.67

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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.