Home / 53,154.16-73,352.40-29,280.28

Finding the Fourth Proportional to 53,154.16, 73,352.40 and 29,280.28

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Solution

The fourth proportional to 53,154.16, 73,352.40 and 29,280.28 is: 40,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,154.16 : 73,352.40 = 29,280.28 : x
  2. Step 2: Convert to fraction form
    53,154.16/73,352.40 = 29,280.28/x
  3. Step 3: Cross multiply
    53,154.16x = 73,352.40 × 29,280.28
  4. Step 4: Simplify right side
    53,154.16x = 2,147,778,810.67
  5. Step 5: Solve for x
    x = 2,147,778,810.67/53,154.16
  6. Step 6: Final answer
    x = 40,406.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.