Home / 30,456.81-45,341.57-30,041.28

Finding the Fourth Proportional to 30,456.81, 45,341.57 and 30,041.28

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Solution

The fourth proportional to 30,456.81, 45,341.57 and 30,041.28 is: 44,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,456.81 : 45,341.57 = 30,041.28 : x
  2. Step 2: Convert to fraction form
    30,456.81/45,341.57 = 30,041.28/x
  3. Step 3: Cross multiply
    30,456.81x = 45,341.57 × 30,041.28
  4. Step 4: Simplify right side
    30,456.81x = 1,362,118,875.11
  5. Step 5: Solve for x
    x = 1,362,118,875.11/30,456.81
  6. Step 6: Final answer
    x = 44,722.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.