Home / 55,973.53-77,243.47-30,823.03

Finding the Fourth Proportional to 55,973.53, 77,243.47 and 30,823.03

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Solution

The fourth proportional to 55,973.53, 77,243.47 and 30,823.03 is: 42,535.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,973.53 : 77,243.47 = 30,823.03 : x
  2. Step 2: Convert to fraction form
    55,973.53/77,243.47 = 30,823.03/x
  3. Step 3: Cross multiply
    55,973.53x = 77,243.47 × 30,823.03
  4. Step 4: Simplify right side
    55,973.53x = 2,380,877,985.99
  5. Step 5: Solve for x
    x = 2,380,877,985.99/55,973.53
  6. Step 6: Final answer
    x = 42,535.78

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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.