Home / 56,501.81-84,749.96-20,970.05

Finding the Fourth Proportional to 56,501.81, 84,749.96 and 20,970.05

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Solution

The fourth proportional to 56,501.81, 84,749.96 and 20,970.05 is: 31,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,501.81 : 84,749.96 = 20,970.05 : x
  2. Step 2: Convert to fraction form
    56,501.81/84,749.96 = 20,970.05/x
  3. Step 3: Cross multiply
    56,501.81x = 84,749.96 × 20,970.05
  4. Step 4: Simplify right side
    56,501.81x = 1,777,210,527.37
  5. Step 5: Solve for x
    x = 1,777,210,527.37/56,501.81
  6. Step 6: Final answer
    x = 31,454.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.