Home / 40,688.76-56,148.75-22,780.74

Finding the Fourth Proportional to 40,688.76, 56,148.75 and 22,780.74

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Solution

The fourth proportional to 40,688.76, 56,148.75 and 22,780.74 is: 31,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,688.76 : 56,148.75 = 22,780.74 : x
  2. Step 2: Convert to fraction form
    40,688.76/56,148.75 = 22,780.74/x
  3. Step 3: Cross multiply
    40,688.76x = 56,148.75 × 22,780.74
  4. Step 4: Simplify right side
    40,688.76x = 1,279,110,075.08
  5. Step 5: Solve for x
    x = 1,279,110,075.08/40,688.76
  6. Step 6: Final answer
    x = 31,436.45

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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.