Home / 56,457.81-84,686.75-14,341.05

Finding the Fourth Proportional to 56,457.81, 84,686.75 and 14,341.05

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Solution

The fourth proportional to 56,457.81, 84,686.75 and 14,341.05 is: 21,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,457.81 : 84,686.75 = 14,341.05 : x
  2. Step 2: Convert to fraction form
    56,457.81/84,686.75 = 14,341.05/x
  3. Step 3: Cross multiply
    56,457.81x = 84,686.75 × 14,341.05
  4. Step 4: Simplify right side
    56,457.81x = 1,214,496,916.09
  5. Step 5: Solve for x
    x = 1,214,496,916.09/56,457.81
  6. Step 6: Final answer
    x = 21,511.58

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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.