Home / 56,440.40-77,884.13-30,946.46

Finding the Fourth Proportional to 56,440.40, 77,884.13 and 30,946.46

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Solution

The fourth proportional to 56,440.40, 77,884.13 and 30,946.46 is: 42,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.40 : 77,884.13 = 30,946.46 : x
  2. Step 2: Convert to fraction form
    56,440.40/77,884.13 = 30,946.46/x
  3. Step 3: Cross multiply
    56,440.40x = 77,884.13 × 30,946.46
  4. Step 4: Simplify right side
    56,440.40x = 2,410,237,801.63
  5. Step 5: Solve for x
    x = 2,410,237,801.63/56,440.40
  6. Step 6: Final answer
    x = 42,704.13

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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.