Home / 39,031.98-53,866.74-22,030.20

Finding the Fourth Proportional to 39,031.98, 53,866.74 and 22,030.20

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Solution

The fourth proportional to 39,031.98, 53,866.74 and 22,030.20 is: 30,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.98 : 53,866.74 = 22,030.20 : x
  2. Step 2: Convert to fraction form
    39,031.98/53,866.74 = 22,030.20/x
  3. Step 3: Cross multiply
    39,031.98x = 53,866.74 × 22,030.20
  4. Step 4: Simplify right side
    39,031.98x = 1,186,695,055.55
  5. Step 5: Solve for x
    x = 1,186,695,055.55/39,031.98
  6. Step 6: Final answer
    x = 30,403.15

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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.