Home / 53,437.63-80,130.55-21,835.14

Finding the Fourth Proportional to 53,437.63, 80,130.55 and 21,835.14

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Solution

The fourth proportional to 53,437.63, 80,130.55 and 21,835.14 is: 32,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,437.63 : 80,130.55 = 21,835.14 : x
  2. Step 2: Convert to fraction form
    53,437.63/80,130.55 = 21,835.14/x
  3. Step 3: Cross multiply
    53,437.63x = 80,130.55 × 21,835.14
  4. Step 4: Simplify right side
    53,437.63x = 1,749,661,777.53
  5. Step 5: Solve for x
    x = 1,749,661,777.53/53,437.63
  6. Step 6: Final answer
    x = 32,742.13

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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.