Home / 53,527.13-73,877.77-30,880.74

Finding the Fourth Proportional to 53,527.13, 73,877.77 and 30,880.74

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Solution

The fourth proportional to 53,527.13, 73,877.77 and 30,880.74 is: 42,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,527.13 : 73,877.77 = 30,880.74 : x
  2. Step 2: Convert to fraction form
    53,527.13/73,877.77 = 30,880.74/x
  3. Step 3: Cross multiply
    53,527.13x = 73,877.77 × 30,880.74
  4. Step 4: Simplify right side
    53,527.13x = 2,281,400,522.79
  5. Step 5: Solve for x
    x = 2,281,400,522.79/53,527.13
  6. Step 6: Final answer
    x = 42,621.39

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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.