Home / 32,890.65-45,389.53-19,461.57

Finding the Fourth Proportional to 32,890.65, 45,389.53 and 19,461.57

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Solution

The fourth proportional to 32,890.65, 45,389.53 and 19,461.57 is: 26,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.65 : 45,389.53 = 19,461.57 : x
  2. Step 2: Convert to fraction form
    32,890.65/45,389.53 = 19,461.57/x
  3. Step 3: Cross multiply
    32,890.65x = 45,389.53 × 19,461.57
  4. Step 4: Simplify right side
    32,890.65x = 883,351,515.36
  5. Step 5: Solve for x
    x = 883,351,515.36/32,890.65
  6. Step 6: Final answer
    x = 26,857.22

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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.