Home / 35,509.34-53,263.93-20,707.88

Finding the Fourth Proportional to 35,509.34, 53,263.93 and 20,707.88

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Solution

The fourth proportional to 35,509.34, 53,263.93 and 20,707.88 is: 31,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.34 : 53,263.93 = 20,707.88 : x
  2. Step 2: Convert to fraction form
    35,509.34/53,263.93 = 20,707.88/x
  3. Step 3: Cross multiply
    35,509.34x = 53,263.93 × 20,707.88
  4. Step 4: Simplify right side
    35,509.34x = 1,102,983,070.77
  5. Step 5: Solve for x
    x = 1,102,983,070.77/35,509.34
  6. Step 6: Final answer
    x = 31,061.78

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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.