Home / 30,916.90-42,666.98-19,582.26

Finding the Fourth Proportional to 30,916.90, 42,666.98 and 19,582.26

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Solution

The fourth proportional to 30,916.90, 42,666.98 and 19,582.26 is: 27,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.90 : 42,666.98 = 19,582.26 : x
  2. Step 2: Convert to fraction form
    30,916.90/42,666.98 = 19,582.26/x
  3. Step 3: Cross multiply
    30,916.90x = 42,666.98 × 19,582.26
  4. Step 4: Simplify right side
    30,916.90x = 835,515,895.77
  5. Step 5: Solve for x
    x = 835,515,895.77/30,916.90
  6. Step 6: Final answer
    x = 27,024.57

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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.