Home / 47,099.99-64,953.36-30,938.87

Finding the Fourth Proportional to 47,099.99, 64,953.36 and 30,938.87

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Solution

The fourth proportional to 47,099.99, 64,953.36 and 30,938.87 is: 42,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,099.99 : 64,953.36 = 30,938.87 : x
  2. Step 2: Convert to fraction form
    47,099.99/64,953.36 = 30,938.87/x
  3. Step 3: Cross multiply
    47,099.99x = 64,953.36 × 30,938.87
  4. Step 4: Simplify right side
    47,099.99x = 2,009,583,358.12
  5. Step 5: Solve for x
    x = 2,009,583,358.12/47,099.99
  6. Step 6: Final answer
    x = 42,666.33

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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.