Home / 39,430.18-59,078.44-23,815

Finding the Fourth Proportional to 39,430.18, 59,078.44 and 23,815

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Solution

The fourth proportional to 39,430.18, 59,078.44 and 23,815 is: 35,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.18 : 59,078.44 = 23,815 : x
  2. Step 2: Convert to fraction form
    39,430.18/59,078.44 = 23,815/x
  3. Step 3: Cross multiply
    39,430.18x = 59,078.44 × 23,815
  4. Step 4: Simplify right side
    39,430.18x = 1,406,953,048.60
  5. Step 5: Solve for x
    x = 1,406,953,048.60/39,430.18
  6. Step 6: Final answer
    x = 35,682.14

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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.