Home / 56,161.84-77,503.06-31,011.34

Finding the Fourth Proportional to 56,161.84, 77,503.06 and 31,011.34

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Solution

The fourth proportional to 56,161.84, 77,503.06 and 31,011.34 is: 42,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,161.84 : 77,503.06 = 31,011.34 : x
  2. Step 2: Convert to fraction form
    56,161.84/77,503.06 = 31,011.34/x
  3. Step 3: Cross multiply
    56,161.84x = 77,503.06 × 31,011.34
  4. Step 4: Simplify right side
    56,161.84x = 2,403,473,744.70
  5. Step 5: Solve for x
    x = 2,403,473,744.70/56,161.84
  6. Step 6: Final answer
    x = 42,795.50

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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.