Home / 42,360.64-63,440.77-36,783.68

Finding the Fourth Proportional to 42,360.64, 63,440.77 and 36,783.68

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Solution

The fourth proportional to 42,360.64, 63,440.77 and 36,783.68 is: 55,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,360.64 : 63,440.77 = 36,783.68 : x
  2. Step 2: Convert to fraction form
    42,360.64/63,440.77 = 36,783.68/x
  3. Step 3: Cross multiply
    42,360.64x = 63,440.77 × 36,783.68
  4. Step 4: Simplify right side
    42,360.64x = 2,333,584,481.51
  5. Step 5: Solve for x
    x = 2,333,584,481.51/42,360.64
  6. Step 6: Final answer
    x = 55,088.51

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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.