Home / 56,055.84-77,353.56-30,905.34

Finding the Fourth Proportional to 56,055.84, 77,353.56 and 30,905.34

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Solution

The fourth proportional to 56,055.84, 77,353.56 and 30,905.34 is: 42,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,055.84 : 77,353.56 = 30,905.34 : x
  2. Step 2: Convert to fraction form
    56,055.84/77,353.56 = 30,905.34/x
  3. Step 3: Cross multiply
    56,055.84x = 77,353.56 × 30,905.34
  4. Step 4: Simplify right side
    56,055.84x = 2,390,638,072.01
  5. Step 5: Solve for x
    x = 2,390,638,072.01/56,055.84
  6. Step 6: Final answer
    x = 42,647.44

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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.