Home / 53,389.89-73,683.54-30,729.74

Finding the Fourth Proportional to 53,389.89, 73,683.54 and 30,729.74

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Solution

The fourth proportional to 53,389.89, 73,683.54 and 30,729.74 is: 42,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,389.89 : 73,683.54 = 30,729.74 : x
  2. Step 2: Convert to fraction form
    53,389.89/73,683.54 = 30,729.74/x
  3. Step 3: Cross multiply
    53,389.89x = 73,683.54 × 30,729.74
  4. Step 4: Simplify right side
    53,389.89x = 2,264,275,658.06
  5. Step 5: Solve for x
    x = 2,264,275,658.06/53,389.89
  6. Step 6: Final answer
    x = 42,410.20

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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.