Home / 53,364.80-73,664.16-47,766.08

Finding the Fourth Proportional to 53,364.80, 73,664.16 and 47,766.08

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Solution

The fourth proportional to 53,364.80, 73,664.16 and 47,766.08 is: 65,935.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.80 : 73,664.16 = 47,766.08 : x
  2. Step 2: Convert to fraction form
    53,364.80/73,664.16 = 47,766.08/x
  3. Step 3: Cross multiply
    53,364.80x = 73,664.16 × 47,766.08
  4. Step 4: Simplify right side
    53,364.80x = 3,518,648,159.69
  5. Step 5: Solve for x
    x = 3,518,648,159.69/53,364.80
  6. Step 6: Final answer
    x = 65,935.75

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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.