Home / 30,312.23-45,473.83-12,533.22

Finding the Fourth Proportional to 30,312.23, 45,473.83 and 12,533.22

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Solution

The fourth proportional to 30,312.23, 45,473.83 and 12,533.22 is: 18,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,312.23 : 45,473.83 = 12,533.22 : x
  2. Step 2: Convert to fraction form
    30,312.23/45,473.83 = 12,533.22/x
  3. Step 3: Cross multiply
    30,312.23x = 45,473.83 × 12,533.22
  4. Step 4: Simplify right side
    30,312.23x = 569,933,484.30
  5. Step 5: Solve for x
    x = 569,933,484.30/30,312.23
  6. Step 6: Final answer
    x = 18,802.10

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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.