Home / 55,973.84-77,240.40-30,823.28

Finding the Fourth Proportional to 55,973.84, 77,240.40 and 30,823.28

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Solution

The fourth proportional to 55,973.84, 77,240.40 and 30,823.28 is: 42,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,973.84 : 77,240.40 = 30,823.28 : x
  2. Step 2: Convert to fraction form
    55,973.84/77,240.40 = 30,823.28/x
  3. Step 3: Cross multiply
    55,973.84x = 77,240.40 × 30,823.28
  4. Step 4: Simplify right side
    55,973.84x = 2,380,802,476.51
  5. Step 5: Solve for x
    x = 2,380,802,476.51/55,973.84
  6. Step 6: Final answer
    x = 42,534.20

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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.