Home / 53,043.08-73,199.36-30,389.40

Finding the Fourth Proportional to 53,043.08, 73,199.36 and 30,389.40

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Solution

The fourth proportional to 53,043.08, 73,199.36 and 30,389.40 is: 41,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.08 : 73,199.36 = 30,389.40 : x
  2. Step 2: Convert to fraction form
    53,043.08/73,199.36 = 30,389.40/x
  3. Step 3: Cross multiply
    53,043.08x = 73,199.36 × 30,389.40
  4. Step 4: Simplify right side
    53,043.08x = 2,224,484,630.78
  5. Step 5: Solve for x
    x = 2,224,484,630.78/53,043.08
  6. Step 6: Final answer
    x = 41,937.32

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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.