Home / 47,070.91-70,606.37-13,790.98

Finding the Fourth Proportional to 47,070.91, 70,606.37 and 13,790.98

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Solution

The fourth proportional to 47,070.91, 70,606.37 and 13,790.98 is: 20,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,070.91 : 70,606.37 = 13,790.98 : x
  2. Step 2: Convert to fraction form
    47,070.91/70,606.37 = 13,790.98/x
  3. Step 3: Cross multiply
    47,070.91x = 70,606.37 × 13,790.98
  4. Step 4: Simplify right side
    47,070.91x = 973,730,791.07
  5. Step 5: Solve for x
    x = 973,730,791.07/47,070.91
  6. Step 6: Final answer
    x = 20,686.47

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1.5x scale

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.