Home / 34,455.34-47,555.76-21,023.70

Finding the Fourth Proportional to 34,455.34, 47,555.76 and 21,023.70

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Solution

The fourth proportional to 34,455.34, 47,555.76 and 21,023.70 is: 29,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,455.34 : 47,555.76 = 21,023.70 : x
  2. Step 2: Convert to fraction form
    34,455.34/47,555.76 = 21,023.70/x
  3. Step 3: Cross multiply
    34,455.34x = 47,555.76 × 21,023.70
  4. Step 4: Simplify right side
    34,455.34x = 999,798,031.51
  5. Step 5: Solve for x
    x = 999,798,031.51/34,455.34
  6. Step 6: Final answer
    x = 29,017.22

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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.