Home / 39,347.40-59,038.53-20,622.96

Finding the Fourth Proportional to 39,347.40, 59,038.53 and 20,622.96

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Solution

The fourth proportional to 39,347.40, 59,038.53 and 20,622.96 is: 30,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,347.40 : 59,038.53 = 20,622.96 : x
  2. Step 2: Convert to fraction form
    39,347.40/59,038.53 = 20,622.96/x
  3. Step 3: Cross multiply
    39,347.40x = 59,038.53 × 20,622.96
  4. Step 4: Simplify right side
    39,347.40x = 1,217,549,242.65
  5. Step 5: Solve for x
    x = 1,217,549,242.65/39,347.40
  6. Step 6: Final answer
    x = 30,943.58

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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.