Home / 55,373.79-76,417.53-31,503.90

Finding the Fourth Proportional to 55,373.79, 76,417.53 and 31,503.90

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Solution

The fourth proportional to 55,373.79, 76,417.53 and 31,503.90 is: 43,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,373.79 : 76,417.53 = 31,503.90 : x
  2. Step 2: Convert to fraction form
    55,373.79/76,417.53 = 31,503.90/x
  3. Step 3: Cross multiply
    55,373.79x = 76,417.53 × 31,503.90
  4. Step 4: Simplify right side
    55,373.79x = 2,407,450,223.37
  5. Step 5: Solve for x
    x = 2,407,450,223.37/55,373.79
  6. Step 6: Final answer
    x = 43,476.35

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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.