Home / 53,970.07-74,499.21-40,580.21

Finding the Fourth Proportional to 53,970.07, 74,499.21 and 40,580.21

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Solution

The fourth proportional to 53,970.07, 74,499.21 and 40,580.21 is: 56,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,970.07 : 74,499.21 = 40,580.21 : x
  2. Step 2: Convert to fraction form
    53,970.07/74,499.21 = 40,580.21/x
  3. Step 3: Cross multiply
    53,970.07x = 74,499.21 × 40,580.21
  4. Step 4: Simplify right side
    53,970.07x = 3,023,193,214.14
  5. Step 5: Solve for x
    x = 3,023,193,214.14/53,970.07
  6. Step 6: Final answer
    x = 56,016.11

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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.