Home / 35,345.90-48,776.11-19,430.25

Finding the Fourth Proportional to 35,345.90, 48,776.11 and 19,430.25

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Solution

The fourth proportional to 35,345.90, 48,776.11 and 19,430.25 is: 26,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.90 : 48,776.11 = 19,430.25 : x
  2. Step 2: Convert to fraction form
    35,345.90/48,776.11 = 19,430.25/x
  3. Step 3: Cross multiply
    35,345.90x = 48,776.11 × 19,430.25
  4. Step 4: Simplify right side
    35,345.90x = 947,731,779.84
  5. Step 5: Solve for x
    x = 947,731,779.84/35,345.90
  6. Step 6: Final answer
    x = 26,813.06

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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.