Home / 39,430.26-59,148.23-12,410.28

Finding the Fourth Proportional to 39,430.26, 59,148.23 and 12,410.28

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Solution

The fourth proportional to 39,430.26, 59,148.23 and 12,410.28 is: 18,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.26 : 59,148.23 = 12,410.28 : x
  2. Step 2: Convert to fraction form
    39,430.26/59,148.23 = 12,410.28/x
  3. Step 3: Cross multiply
    39,430.26x = 59,148.23 × 12,410.28
  4. Step 4: Simplify right side
    39,430.26x = 734,046,033.75
  5. Step 5: Solve for x
    x = 734,046,033.75/39,430.26
  6. Step 6: Final answer
    x = 18,616.31

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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.