Home / 55,973.07-77,242.91-30,822.57

Finding the Fourth Proportional to 55,973.07, 77,242.91 and 30,822.57

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Solution

The fourth proportional to 55,973.07, 77,242.91 and 30,822.57 is: 42,535.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,973.07 : 77,242.91 = 30,822.57 : x
  2. Step 2: Convert to fraction form
    55,973.07/77,242.91 = 30,822.57/x
  3. Step 3: Cross multiply
    55,973.07x = 77,242.91 × 30,822.57
  4. Step 4: Simplify right side
    55,973.07x = 2,380,824,846.37
  5. Step 5: Solve for x
    x = 2,380,824,846.37/55,973.07
  6. Step 6: Final answer
    x = 42,535.18

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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.