Home / 39,155.55-58,740.89-15,784.35

Finding the Fourth Proportional to 39,155.55, 58,740.89 and 15,784.35

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Solution

The fourth proportional to 39,155.55, 58,740.89 and 15,784.35 is: 23,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,155.55 : 58,740.89 = 15,784.35 : x
  2. Step 2: Convert to fraction form
    39,155.55/58,740.89 = 15,784.35/x
  3. Step 3: Cross multiply
    39,155.55x = 58,740.89 × 15,784.35
  4. Step 4: Simplify right side
    39,155.55x = 927,186,688.15
  5. Step 5: Solve for x
    x = 927,186,688.15/39,155.55
  6. Step 6: Final answer
    x = 23,679.57

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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.