Home / 29,688.48-40,970.57-16,259.49

Finding the Fourth Proportional to 29,688.48, 40,970.57 and 16,259.49

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Solution

The fourth proportional to 29,688.48, 40,970.57 and 16,259.49 is: 22,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.48 : 40,970.57 = 16,259.49 : x
  2. Step 2: Convert to fraction form
    29,688.48/40,970.57 = 16,259.49/x
  3. Step 3: Cross multiply
    29,688.48x = 40,970.57 × 16,259.49
  4. Step 4: Simplify right side
    29,688.48x = 666,160,491.91
  5. Step 5: Solve for x
    x = 666,160,491.91/29,688.48
  6. Step 6: Final answer
    x = 22,438.35

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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.