Home / 40,783.47-61,165.71-11,203.68

Finding the Fourth Proportional to 40,783.47, 61,165.71 and 11,203.68

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Solution

The fourth proportional to 40,783.47, 61,165.71 and 11,203.68 is: 16,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.47 : 61,165.71 = 11,203.68 : x
  2. Step 2: Convert to fraction form
    40,783.47/61,165.71 = 11,203.68/x
  3. Step 3: Cross multiply
    40,783.47x = 61,165.71 × 11,203.68
  4. Step 4: Simplify right side
    40,783.47x = 685,281,041.81
  5. Step 5: Solve for x
    x = 685,281,041.81/40,783.47
  6. Step 6: Final answer
    x = 16,802.91

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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.