Home / 32,614.84-45,030.40-20,368.90

Finding the Fourth Proportional to 32,614.84, 45,030.40 and 20,368.90

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Solution

The fourth proportional to 32,614.84, 45,030.40 and 20,368.90 is: 28,122.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,614.84 : 45,030.40 = 20,368.90 : x
  2. Step 2: Convert to fraction form
    32,614.84/45,030.40 = 20,368.90/x
  3. Step 3: Cross multiply
    32,614.84x = 45,030.40 × 20,368.90
  4. Step 4: Simplify right side
    32,614.84x = 917,219,581.20
  5. Step 5: Solve for x
    x = 917,219,581.20/32,614.84
  6. Step 6: Final answer
    x = 28,122.77

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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.