Home / 55,903.47-77,127.93-31,701.84

Finding the Fourth Proportional to 55,903.47, 77,127.93 and 31,701.84

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Solution

The fourth proportional to 55,903.47, 77,127.93 and 31,701.84 is: 43,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,903.47 : 77,127.93 = 31,701.84 : x
  2. Step 2: Convert to fraction form
    55,903.47/77,127.93 = 31,701.84/x
  3. Step 3: Cross multiply
    55,903.47x = 77,127.93 × 31,701.84
  4. Step 4: Simplify right side
    55,903.47x = 2,445,097,296.39
  5. Step 5: Solve for x
    x = 2,445,097,296.39/55,903.47
  6. Step 6: Final answer
    x = 43,737.84

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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.